He went straight to the hospital when the show was done and is still there receiving treatment, reports TMZ.
Justin Bieber performs live on stage at 02 Arena on March 4, 2013 in London, England.
Also, Bieber was seen wearing a gas mask.
- A Kansas man shot three people after allegedly yelling "get out of my country." He believed two of the victims were Middle Eastern, however they were not.
- The substance used to assassinate the half-brother of North Korea's leader has been identified as VX nerve agent, a chemical listed as a weapon of mass destruction.
- Former Rep. Gabrielle Giffords told Congress to "face your constituents," after a congressman used her 2011 shooting as justification for not holding a town hall.